//BeanCipher - Bean Cipher Security Layer
//Copyright (C) 2005 Raul Alfredo Bajales
//
//This library is free software; you can redistribute it and/or
//modify it under the terms of the GNU Lesser General Public
//License as published by the Free Software Foundation; either
//version 2.1 of the License, or (at your option) any later version.
//
//This library is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
//Lesser General Public License for more details.
//
//You should have received a copy of the GNU Lesser General Public
//License along with this library; if not, write to the Free Software
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package ar.com.rab.beancipher.impl.ciphers;

import ar.com.rab.beancipher.spi.ITypeCipherAdapter;
import ar.com.rab.beancipher.spi.exceptions.TypeCipherException;

/**
 * Implementation of <code>ITypeCipherAdapter</code> that
 * perform a dummy ciphering of java.lang.String only for testing.
 * 
 * @author Bajales Raul
 *
 */
public class DummyStringTypeCipher implements ITypeCipherAdapter {

    private static final String SUFIX = " - dummy ciphering -";
    
    /**
     * Constructor
     */
    public DummyStringTypeCipher() {
        super();
    }

    /* (non-Javadoc)
     * @see ar.com.rab.beancipher.spi.ITypeCipherAdapter#cipher(java.lang.Object)
     */
    public Object cipher(Object input) throws TypeCipherException {
        return input + SUFIX;
    }

    /* (non-Javadoc)
     * @see ar.com.rab.beancipher.spi.ITypeCipherAdapter#deCipher(java.lang.Object)
     */
    public Object deCipher(Object input) throws TypeCipherException {
        String text = (String) input;
        return text.substring(0, text.length() - SUFIX.length());
    }

}
